Try this out 4 - Volume to mass

Calculate the mass of 2.8 dm3 of naphthalene, C10H8 at STP.                                                                      
[Relative atomic mass: C=12; H=1; 1 mole of gas occupies 22.4 dm3 at STP]

(Ans: 16 g)

Labels:

1 comment:

  1. AnonymousFebruary 24, 2011 at 2:21 AM

    Sirr !! hahahaha saya dengar suara sir..

    ReplyDelete

Subscribe to: Post Comments (Atom)